D. Calitoiu, B. Oommen, и D. Nussbaum. Australian Conference on Artificial Intelligence, том 4830 из Lecture Notes in Computer Science, стр. 110-119. Springer, (2007)
P. Nussbaum, J. Hardeberg, и F. Albregtsen. Color Imaging: Displaying, Processing, Hardcopy, and Applications, том 7866 из SPIE Proceedings, стр. 78661R. SPIE, (2011)